8/3/2011 Temperature and Release Summary for Shasta and Trinity - July 2011

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) in CFS

Control

TCD SHD minus Point Shasta Spring Crk 

Wt. TCD 6/1 to 7/31 Generation Powerplant 

Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo El 815 Release 

Jun 49.7 49.4 53.5 50.2 53.6 55.2 55.6 56.9 48.1 51.0 56.0 10,359 1,406 

Jul

1 48.4 (0.7) 47.7 54.1 49.6 53.5 55.3 55.8 57.1 48.7 50.8 57.3 9,892 1,949 

2 48.5 (0.3) 48.2 54.7 49.6 53.4 55.3 55.8 57.2 48.8 50.8 57.5 10,694 1,970 3 48.7 (0.5) 48.2 54.2 49.6 53.6 55.7 56.2 57.4 48.9 51.0 58.0 10,170 1,977 4 48.7 0.5 49.2 55.1 49.8 53.6 55.5 56.0 57.5 49.1 51.1 57.9 10,727 1,961 5 48.6 (0.7) 47.9 54.4 49.8 53.5 55.4 56.0 57.4 49.1 51.0 58.0 10,142 1,974 6 48.8 0.1 48.9 55.1 49.8 53.4 55.0 55.9 57.4 49.1 51.0 58.3 10,327 1,963 7 48.8 (0.6) 48.2 54.9 49.8 53.5 55.1 56.0 57.5 49.3 51.1 58.7 10,995 1,981 8 48.8 (0.8) 48.0 54.2 49.9 53.6 55.1 56.0 57.5 49.4 51.2 58.7 10,759 1,998 9 48.8 (0.8) 48.0 54.8 50.0 53.6 55.1 56.0 57.5 49.4 51.2 58.5 10,244 1,993 

10 48.9 (0.5) 48.4 55.2 49.9 53.6 55.0 56.0 57.5 49.2 51.2 58.3 10,187 1,998 11 48.9 (0.8) 48.1 54.5 49.9 53.6 55.0 55.9 57.4 49.5 51.2 58.1 10,147 1,985 12 49.0 (0.5) 48.5 56.2 49.8 53.6 54.8 55.8 57.3 49.5 51.3 58.0 9,676 1,975 13 49.0 0.3 49.3 55.7 49.6 53.6 55.0 56.0 57.5 49.1 51.1 57.3 9,970 1,974 14 49.1 (0.7) 48.4 56.0 49.8 53.4 54.6 55.5 56.9 49.4 51.2 57.5 9,659 1,971 15 49.1 (1.0) 48.1 55.7 49.5 53.2 54.4 55.3 56.6 49.5 51.0 57.2 11,154 1,265 16 49.3 (0.7) 48.6 56.2 49.6 53.3 54.6 55.5 56.9 49.4 51.1 57.4 10,961 1,125 17 49.4 (0.2) 49.2 56.5 49.6 53.2 54.4 55.4 57.1 49.4 51.1 57.0 11,062 1,290 18 49.5 (49.5) ND 55.7 49.5 52.2 53.5 54.4 56.0 48.9 50.5 55.3 11,121 1,274 

19 49.6 (49.6) ND 55.8 49.6 52.8 53.7 54.4 55.3 49.3 50.9 57.0 10,728 1,277 20 49.8 (0.8) 49.0 55.9 50.0 53.6 54.7 55.5 56.5 49.2 51.5 57.7 10,374 1,294 

21 49.8 (0.8) 49.0 56.0 50.3 53.9 55.1 55.9 57.2 49.7 51.8 57.9 10,399 1,215 22 49.8 (0.8) 49.0 57.2 50.3 54.0 55.3 56.2 57.5 50.3 51.9 58.1 10,328 1,243 23 49.9 (0.9) 49.0 56.8 50.3 54.0 55.4 56.4 57.9 50.7 51.9 58.1 10,343 1,273 24 50.0 (0.9) 49.1 56.7 50.3 54.0 55.3 56.2 57.8 50.6 51.9 57.8 10,631 1,229 25 49.9 (0.8) 49.1 56.2 50.4 53.9 55.0 55.9 57.4 50.7 51.8 57.4 10,522 1,275 26 49.9 (0.8) 49.1 55.9 50.3 53.8 55.0 55.8 57.1 50.7 51.8 57.5 10,323 1,224 27 50.0 (0.8) 49.2 56.3 50.4 53.9 55.0 55.9 57.1 50.6 51.9 57.7 10,236 1,241 28 50.1 (0.8) 49.3 56.4 50.5 54.0 55.2 56.1 57.4 50.5 52.0 58.0 10,160 1,273 29 50.2 (0.8) 49.4 56.4 50.6 54.1 55.3 56.2 57.6 50.6 52.0 58.0 10,444 1,275 30 50.3 (0.9) 49.4 58.2 50.6 54.2 55.5 56.4 57.8 50.7 52.2 58.4 10,480 1,250 31 50.3 (0.8) 49.5 59.5 50.6 54.3 55.6 56.5 58.0 50.9 52.2 58.4 10,670 1,056 

Avg 49.4 48.7 55.8 50.0 53.6 55.0 55.8 57.2 49.7 51.4 57.8 10,436 1,573 Tot cfs 323,525 48,748 Tot af 641,712 96,692 

# = Station out of service ^ - estimated (7 hours or less available) ? = Avg. includes estimated data! = 17 hours or less of readings & = 18 to 23 hours of reading ND = No hourly readings or incorrect 

Control Point: Balls Ferry 3/1/2011 to 5/31/2011; Jelly's Ferry 6/1/2011 to 7/31/2011.NOTES: 1. Many hourly readings for SPP are questionable.

2. On 7/19/2011 the probe for SHD was extended farther out into the river so that at low flows it should no longer be exposed to the air. 

Mean Daily Releas